Your due date, the calulated day when the baby is due, is the most important information you should know. Not because the baby will be born exactly on that day, only 5% of all babies are born on their due date, and 80% are born within 2 weeks before and after the due date.

Vaccines are given to pregnant women to protect the mother and the baby against serious infectious diseases. When you get vaccinated, you are protecting yourself. And you are also sharing some early protection with the baby too.

A recent study from Canada finds an elevated risk for diabetes when a person has both depression and metabolic syndrome; the diabetes risk is higher when the two disorders are combined than when only one or the other disorder is present.

The US Preventive Services Task Force issued an updated recommendation for screening all adults for depression. The last update, in 2009, did not recommend screening all adults over 18 but the 2016 update does. Depression in anyone 15 and older is one of the leading causes of disability in the US.

There are always many opportunities to gather and share food, if it's during the holidays or in between. Whether you eat in someone's home, at work, or at a restaurant, it's important to get educated and be careful about what you eat.

Question: I am 37-years-old and have not had a period for 2 years. What could it be?

Dr.Amos answers: There are several reasons why a woman does not get her period (amenorrhea). The first reason is pregnancy, in which case the pregnancy test would be positive. Or breastfeeding. If there is no pregnancy, then other reasons include:

CNN reported on a baby that was born 8 weeks early in Hong Kong. The mother apparently cannot pay the hospital expenses and the hospital withheld the baby's birth certificate. Her insurance won't pay for the baby either, likely because the hospital is outside the United States, so she is responsible to pay expenses herself.